Apart from one bus in the morning from Stanford North (which returns in the afternoon) there is no bus service from Stanford.
There is no bus service from Westenhanger, but an hourly bus service (route 10) operates from Newingreen to/from Ashford and Folkestone. Newingreen is only a 5 minute walk from Westenhanger. Click here for the Stagecoach route no 10 timetable
For the Stagecoach website Click here
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